[#32] client: drop keepalive options

Node doesn't use any specific settings, these setting should be provided
by the caller.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

rpc/client/options.go

@@ -6,7 +6,6 @@ import (
 
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials/insecure"
-	"google.golang.org/grpc/keepalive"
 )
 
 const (
@@ -31,7 +30,6 @@ type cfg struct {
 
 const (
 	defaultDialTimeout = 5 * time.Second
-	defaultKeepAliveTimeout = 5 * time.Second
 	defaultRWTimeout   = 1 * time.Minute
 )
 
@@ -41,9 +39,6 @@ func (c *cfg) initDefault() {
 	c.grpcDialOpts = []grpc.DialOption{
 		grpc.WithBlock(),
 		grpc.WithTransportCredentials(insecure.NewCredentials()),
-		grpc.WithKeepaliveParams(keepalive.ClientParameters{
-			Timeout: defaultKeepAliveTimeout,
-		}),
 	}
 }